Add PHY-specific parameters to MIPI CSI-2 frame descriptor.
Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
---
include/media/v4l2-subdev.h | 42 +++++++++++++++++++++++++++++++------
1 file changed, 36 insertions(+), 6 deletions(-)
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 6311f670de3c..eca9633c83bf 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -317,11 +317,33 @@ struct v4l2_subdev_audio_ops {
int (*s_stream)(struct v4l2_subdev *sd, int enable);
};
+#define V4L2_FRAME_DESC_ENTRY_DPHY_DATA_LANES 4
+
+/**
+ * struct v4l2_mbus_frame_desc_entry_csi2_dphy - MIPI D-PHY bus configuration
+ *
+ * @clock_lane: physical lane index of the clock lane
+ * @data_lanes: an array of physical data lane indexes
+ * @num_data_lanes: number of data lanes
+ */
+struct v4l2_mbus_frame_desc_entry_csi2_dphy {
+ u8 clock_lane;
+ u8 data_lanes[V4L2_FRAME_DESC_ENTRY_DPHY_DATA_LANES];
+ u8 num_data_lanes;
+};
+
+/**
+ * struct v4l2_mbus_frame_desc_entry_csi2_cphy - MIPI C-PHY bus configuration
+ */
+struct v4l2_mbus_frame_desc_entry_csi2_cphy {
+ /* TODO */
+};
+
/**
* struct v4l2_mbus_frame_desc_entry_csi2
*
- * @channel: CSI-2 virtual channel
- * @data_type: CSI-2 data type ID
+ * @channel: CSI-2 virtual channel
+ * @data_type: CSI-2 data type ID
*/
struct v4l2_mbus_frame_desc_entry_csi2 {
u8 channel;
@@ -371,18 +393,26 @@ enum v4l2_mbus_frame_desc_type {
V4L2_MBUS_FRAME_DESC_TYPE_PLATFORM,
V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL,
V4L2_MBUS_FRAME_DESC_TYPE_CCP2,
- V4L2_MBUS_FRAME_DESC_TYPE_CSI2,
+ V4L2_MBUS_FRAME_DESC_TYPE_CSI2_DPHY,
+ V4L2_MBUS_FRAME_DESC_TYPE_CSI2_CPHY,
};
/**
* struct v4l2_mbus_frame_desc - media bus data frame description
- * @type: type of the bus (enum v4l2_mbus_frame_desc_type)
- * @entry: frame descriptors array
- * @num_entries: number of entries in @entry array
+ * @type: type of the bus (enum v4l2_mbus_frame_desc_type)
+ * @entry: frame descriptors array
+ * @phy: PHY specific parameters
+ * @phy.dphy: MIPI D-PHY specific bus configurations
+ * @phy.cphy: MIPI C-PHY specific bus configurations
+ * @num_entries: number of entries in @entry array
*/
struct v4l2_mbus_frame_desc {
enum v4l2_mbus_frame_desc_type type;
struct v4l2_mbus_frame_desc_entry entry[V4L2_FRAME_DESC_ENTRY_MAX];
+ union {
+ struct v4l2_mbus_frame_desc_entry_csi2_dphy csi2_dphy;
+ struct v4l2_mbus_frame_desc_entry_csi2_cphy csi2_cphy;
+ } phy;
unsigned short num_entries;
};
--
2.21.0
